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Ignition fail sensor location on 05 kia sedona

Trans. Shutters check engine light on, and tach doesnt work. Torn between pcm, input and output speed sensors, ignition fail sensor, or just pulling out hair. Whats wrong?.

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  • Kia Master
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Get the codes read (most auto parts stores will do this for free), then determine what the cause may be. Sounds initially like crankshaft sensor (no rpm signal), but you would need code to verify that.

Posted on Dec 26, 2016

Testimonial: "Thanks OLD Marine, will try that."

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Replaced output speed sensor on 2002 kia sedona a few times.


Given the transaxle & the age

I would say it is time to either
part with the vehicle,that would be
my suggestion, while you can, or have the
transaxle rebuilt

Lets be realistic here

Were any of those sensors ever tested
or failed a test,I doubt it

Again-- as with the couple thousand lost souls
that come here every week,you do have a check
light on- so you start there as always

I owned a trans shop,your trans is worn out ,enough said

The shifting symptoms are telling you the problems, like it
is talking to you,now you continue to drive it as everyone does
& ruin it for good

Feb 19, 2013 | 2002 Kia Sedona

1 Answer

Tachometer in 2005 kia not working and the check engine light came on


lol The previous answers are a joke. Engine runs, maybe slightly rough, tach not working, and engine light on. Typical ailment for a Kia. Most common issue is the 'Ignition Fail Sensor', located on the engine near the water outlet.

Jun 23, 2012 | 2005 Kia Sedona

1 Answer

My 2009 Hyundai Sonata quit accelerating while driving in town. The ESC and check engine light came on. I was able to turn the car off and back on and the ESC light went off and acceleration worked...


This may not be your problem but it does bring the vehicle in fail safe you may have a warranty
Group TRANSAXLE
Number 09-AT-016
Date AUGUST, 2009
Model
1999-SONATA
2001-ELANTRA, SANTA FE & XG
2003-TIBURON
2005-TUCSON
2006-AZERA
2007-ENTOURAGE

Subject
AUTOMATIC TRANSAXLE DIAGNOSTIC TROUBLE CODES P0715, P0716, P0717, P0720, P0721 & P0722

An improperly functioning input speed sensor or output speed sensor may result in the following conditions:
^ "Check Engine" light on
^ Harsh P-R or P-D engagement shock
^ Transaxle in 3rd gear fail-safe
^ Diagnostic trouble codes 1. Using a GDS, check for DTCs in both the "Engine" and "Automatic Transaxle" menus. Record the DTC and description.
2. From the GDS, select:
^ Vehicle
^ "Auto Transaxle" menu
^ "Current Data"
^ "Input speed sensor" and "output speed sensor". Drive the vehicle and monitor the input and output speed sensors. If the sensors show:
^ Continuous output, the wiring currently has no open/shorts. Go to Step 6.
^ No output, go to Step 3
3. Check the wiring harness visually for an open circuit or short circuit to ground. Check for a pinched harness at the PCM/TCM attachment bolts.
4. Disconnect the connectors at the input and output speed sensor and PCM/TCM. Check for bent pins or pins not fully inserted into the connector.
5. If a harness open/short is found, repair or replace the ECM control harness between the PCM/TCM and transaxle and go to Step 8. If not, go to Step 6.

Aug 22, 2011 | Hyundai Sonata Cars & Trucks

2 Answers

Asked this question earlier and it was not resolved. I own a 2004 kia Optima and on the way home the tachometer quit, came back for an instant then quit. When you start it, it moves slightly. The check...


The speed sensor is what sends a signal to the speedometer. It's located on the transmission housing, usually at the output shaft. Have the engine codes read with a scanner to make sure that's what's causing the check engine light to illuminate.

Sep 29, 2010 | 2004 Kia Optima

2 Answers

Where is the input speed sensor on KIA sedona 2005


on transmission has 2 wires at right side of trans .by axel

Nov 24, 2009 | 2004 Kia Sedona

2 Answers

Where i can find vehicle speed sensor for kia sedona 2002


It is mounted on the tail end of the transmission. It has two wires coming out of it typically.

Nov 14, 2009 | 2002 Kia Sedona

3 Answers

1999 ford expedition - transmission slip?


the flashing O/D light usually means you have a bad speed sensor that sends speed info to the engine & trans computer.

Vehicle Speed Sensor The vehicle speed sensor (VSS) (Figure 42) is a variable reluctance or Hall-effect sensor that generates a waveform with a frequency that is proportional to the speed of the vehicle. If the vehicle is moving at a relatively low velocity, the sensor produces a signal with a low frequency. As the vehicle velocity increases, the sensor generates a signal with a higher frequency. The PCM uses the frequency signal generated by the VSS (and other inputs) to control such parameters as fuel injection, ignition control, transmission/transaxle shift scheduling and torque converter clutch scheduling.
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Vehicle Speed Sensor The vehicle speed sensor (VSS) (Figure 42) is a variable reluctance or Hall-effect sensor that generates a waveform with a frequency that is proportional to the speed of the vehicle. If the vehicle is moving at a relatively low velocity, the sensor produces a signal with a low frequency. As the vehicle velocity increases, the sensor generates a signal with a higher frequency. The PCM uses the frequency signal generated by the VSS (and other inputs) to control such parameters as fuel injection, ignition control, transmission/transaxle shift scheduling and torque converter clutch scheduling.

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Some trans use an OSS, Output Shaft Sensor instead of a VSS. Depends on which trans you have, 4R100 or 4R70W

Transmission Control Switch (TCS) and Transmission Control Indicator Lamp (TCIL)
The transmission control switch (TCS) is a momentary contact switch. When the switch is pressed, a signal is sent to the powertrain control module (PCM) to allow automatic shifts from first through fourth gears or first through third gears only. The PCM energizes the transmission control indicator lamp (TCIL) when the switch is off.

The TCIL indicates overdrive cancel mode activated (lamp on) and electronic pressure control (EPC) circuit shorted (lamp flashing) or monitored sensor failure.

Output Shaft Speed (OSS) Sensor
The output shaft speed (OSS) sensor is a magnetic pickup, located at the output shaft ring gear, that sends a signal to the powertrain control module (PCM) to indicate transmission output shaft speed. The OSS is used for torque converter clutch control, shift scheduling and to determine electronic pressure control.

Apr 18, 2009 | 1998 Ford Expedition

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